Find the next number in the sequence

5 12 24 36 ?

A Shopkeeper collects 71 rupees in the form of 20 paisa and 25 paisa.
He collects a total of 324 coins.

Can you tell me how many number of 20-paisa and 25-paisa he got?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

Can you replace the question mark with the correct number in the below table sequence?

The first box has two white balls. The second box has two black balls. The third box has a white and a black ball.

Boxes are labeled but all labels are wrong!

You are allowed to open one box, pick one ball at random, see its colour and put it back into the box, without seeing the colour of the other ball.

How many such operations are necessary to correctly label the boxes?

Can you find out the number that should replace the question mark with a valid reason?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

Can you identify the direction in which this bus is moving; left or right?

Hint: The bus is moving on the roads of London.

What does the below image rebus riddle means ?